30981398

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{6269}}^1$

素因数の和:6631

約数の個数: 16

約数和(自身を含む): 53269920

約数和(自身を除く): 22288522

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4942, 6269, 12538, 43883, 87766, 2212957, 4425914, 15490699, 30981398]

約数ペア:

[(1, 30981398), (2, 15490699), (7, 4425914), (14, 2212957), (353, 87766), (706, 43883), (2471, 12538), (4942, 6269)]